Scrape the wall to remove any texture and to create a flat surface.
How to clean newly laid wall tiles.
I simply searched tile safety in the bathroom there is a section about tiles and how they must comply with australian safety regulations and that some imported tiles do not meet this compliance.
Patch any holes or cracks with spackling compound and sand the entire surface with medium grit sandpaper.
Wipe over each tile individually using one smooth pass flip the sponge and make another pass.
A damp microfibre mop is better than a wet mop for a streak free clean avoid the use of cotton and sponge mops.
Additional vinegar can be added for extra strength.
Vacuum to remove dust.
Remove traces of adhesive mortar on the tiles with a damp sponge that you ll rinse frequently.
Just be absolutely sure before you have a huge re do job in your bathroom before you can be given a certificate of compliance.
Remove any remaining dust oils and grease from the wall with tsp tri sodium phosphate or an ammonia based cleanser.
Mix 1 part white vinegar to 4 parts water in a bucket or large spray bottle.
To use vinegar on porcelain or ceramic mix four parts water with one part white vinegar.
Wash the tiles again with plain water to remove any remaining vinegar.
Wipe the tiles using a soft cloth dipped in the vinegar mixture.
Dampen a clean sponge and wring it out so that it s slightly damp.
Depending on the surface area you must cover use a mop or soft.
When you re laying the tiles.
It is important to rinse the sponge as you go to avoid leaving traces of mortar difficult to remove once dry.
You can add more vinegar to make the mixture stronger if needed.
Run a dry cloth over the tiles to remove any leftover and dry the floor.